Key result
Long-term intensive strength training in young male athletes was associated with subclinical changes in left ventricular contractility, including significantly reduced global myocardial work efficiency (96.50% vs 97.33%, p=0.001) compared to healthy controls.
Why the study?
Athletic health and sudden cardiac death are growing concerns, making early detection of abnormal heart function essential to reduce exercise risk.
Does long-term intensive strength training alter left ventricular systolic function as assessed by non-invasive pressure-strain loop area in young men?
Comparison
Professional strength athletes vs healthy age-matched controls
Authors
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May aid early LV assessment in strength athletes; leaves open outcome validation before clinical use.
Cross-Sectional (n=68)
No
Does long-term intensive strength training alter left ventricular systolic function as assessed by non-invasive pressure-strain loop area in young men?
Absolute Event Rate: 96.5% vs 97.33%
p-value: p=0.001
Non-invasive myocardial work assessment via pressure-strain loops reveals subclinical reductions in left ventricular contractile efficiency in young male strength athletes despite normal ejection fractions.
Li et al. (2020) conducted a cross-sectional in Athlete's heart (n=68). Long-term intensive strength training vs. Healthy, age-matched young men without long-term intensive training was evaluated on Global myocardial work efficiency (GWE) (p=0.001). Long-term intensive strength training in young male athletes was associated with subclinical changes in left ventricular contractility, including significantly reduced global myocardial work efficiency (96.50% vs 97.33%, p=0.001) compared to healthy controls.
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